20070914

Conformal maps on photography

I just found a Flickr set with some cool examples of applying conformal maps to photography.


2 comments:

  1. ah, the change in area under a conformal mapping can be found from the jacobian. For a conformal map the jacobian matrix is a scalar times a rotation matrix. This means that its determinant is of the form

    ( a cos t )( a cos t ) - ( a sin t )( - a sin t ) = a^2 ( cos^2 t + sin^2 t ) = a^2

    I'm reasonable certain a^2 represents the change in area.

    so, will it be possible to code in a representation of general conformal mappings as Taylor expansions, and also insert code that can compute this area differential algebraically ? this will increase the accuracy of the energy accumulation, and possibly remove all troubles from branches.

    of course, this may also be nonsense.

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  2. ok, upon investigation ... this actually works

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